gastruran,a.andn.|gæˈstrʊərən| [f.mod.L. Gastrūra neut. pl., Gr. γαστ(ε)ρ-, γαστήρ stomach + οὐρά tail + -an.] A.adj. Of or pertaining to the Gastrura or stomatopodous crustaceans. B.n. An animal of this class. Similarly gaˈstrurousa. In recent Dicts.